Railway-switch.



Patented Sept. 5, |899.

E, F. BARTH. RAILWAY SWITCH.

(Application led June 24, 1899.7

(No Model.)

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ERNES'I` FREDERICK BARTH,

RAILWAY- A'rnNr FFIC.

OF NEW ALBANY, INDIANA.

SWITCH.

SPECIFICATION forming part of Letters Patent No. 632,622, datedSeptember 5, 1.899.

Application filed June 24, 1899. Serial No. 721,755. (No model.) n l Toall who/n il; muy concern:

Be it known that I, ERNEST FREDERICK BARTH, a citizen of the UnitedStates, residing at New Albany, in the county of Floyd and Stateoflndiana, have invented a new and useful Railway-Switch, of which thefollowing is a specification.

This invention relates to railway-switches in general, and moreparticularly that class known as car-operated switches,and is intendedfor employment in connection with a street-car system and through themedium of which the switch may be thrown from the car.

In the drawings forming a portion of this speciiication, and in whichlike numerals of reference designate corresponding parts in the severalviews, Figure 1 is a plan view of a portion of a trackway comprising aswitch the tongue of which is adapted to be operated with thismechanism. Fig. 2 isalongitudinal section of the switch mechanism andshowing the position of a car and its mechanism with respect thereto.Fig. 3 is a section on line 3 3 of Fig. 2. Fig. l is a detail section ofthe switch-tongue, with its operating-drum in elevation. Fig. 5 is aperspective view of the operating-cord- Referring now to the drawings,in equipping a railway-switch with this invention a casing 5 is arrangedbeneath that rail 6 of the railway with which the movable tongue 7cooperates, and which tongue is pivoted to the cover 8 of the casingthrough the medium of a bolt 9. Intermediate the bolt 9 and the tip ofthe tongue 7 and adjacent to said bolt is a circular depression l0, inwhich is fitted rotatably a disk 1l, fixed eccentrically upon a shaft12, passed through the top of the casing and having upon its lower end,within the casing, a drum 13, adapted to be oscillated tocorrespondingly move the disk 11 and throw the switch-tongue from onelimit to the other of its motion, a portion of the rail 6 acting as astop at one side of the tongue and a projection 14 upon the cover 8acting as a stop at the other side. In order to oscillate the drum 13, Iform parallel openings 16 and 17 in the cover of the casing, in whichopenings are adapted to rise and fall treadles 18 and 19, havingdownwardly-extending stems pivotally connected with levers 2O and 21,fulcrumed in hangers 22, secured to the cover of the casing. The levers2O and 21 extend in the direction of the drum 13 and have at their outerends weights 23, adapted to hold them normally in their loweredpositions and resting upon a com mon stop 24,the levers when in thisposition acting to'hold the treadles 18 and 19 flush with the uppersurface of the cover of the casing. Secured to the extremities of theweighted ends of the levers are eyes 25 and 26, through which are passedthe parallel portions of an endless cord 27, which is passed around thedrum 13 and is extended horizontally therefrom through the depressionsin guide-pulleys 28, thencedownwardly and rearwardly through similarpulleys 29, supported in standards 30 upon the door of the casing,thence-upwardly and vvertically through the eyes 25 and 26,and finallythrough Vdepressions in guide-pulleys 30, supported from the cover ofthe casing, the complete cord when in its operative position havingthegeneral outline shown in Fig. 5 of the drawings. The cord 27 isprevented from movement with respect to the drum 13 by being stapledorotherwise secured thereto, as shown in Fig. 2. Y

The levers 20 and 21 move independently downwardly of the adjacentsections of the cord 27; but in their alternate upward movement they areadapted to successively engage stops 32 and 33, fixed to theirrespective cordsections and in such positions that when one lever risesit will immediately engage its stop, and in moving the cord will movethe opposite stop into engagement with the other lever or the eyethereof. This movement of thccord acts to oscillate the drum 13, andthereby to throw the switch-tongue 7 from one side to the other.

In order to depress the treadles 18, there are IOO a cross-pin 39,passed through the plunger. The downward movement of the plunger islimited by means of an enlarged head 40. As shown in Figs. l and 2 ofthe drawings, that end of each slot or opening 16 and 17 in thedirection of approach of a car is vertical,while the other end isslanted upwardly, the object of this construction being to enable thepositive depression of the pedal and to provide an inclined path, upwhich the roller 36 will pass instead of the roller striking against anabrupt end. It will of course be understood that the plunger depressedwill depend upon whether the operator wishes to take one track or theother beyond the switch, the treadle, after being depressed, beingcaused to rise by the weight upon the end of its lever, the eyepermitting the weighted end of the lever to pass freely downwardly tothe common stop.

It will be readly understood that the speciiic construction andarrangement shown may be varied, that any other iiexible connection maybe substituted for the cord 27, and that in various other ways thespecific construction may be altered without departing from the spiritof the invention.

Having thus described the invention, what is claimed is- 1. Aswitchmechanism comprisingaswitchtongue pivotally mounted and having acircular depression therein, a disk in said depression, a shaft for saiddisk connected eccentrically thereof, and means for oscillating theshaft to correspondingly move the disk and throw the switch-tongue.

2. In a switch mechanism, the combination with a tongue pivotallymounted, and having a circular depression therein, of a disk in saiddepression, a shaft for the disk connected eccentrically thereof,weighted levers having operating-treadles, connections between the shaftof the disk and the levers comprising a cord, and stops carried by thecord and adapted for engagement by the levers to move the cord andoperate the switch-tongue.

3. In a switch mechanism, the combination with a tongue pivotallymounted, of weighted levers having means for operating them, eyescarried by the levers, a flexible connection passed through said eyesand operatively connected with the switch-tongue, and stops upon saidconnection adapted for engagement by the levers to operate the tongue.

4. In a switch mechanism, the combination v with a tongue pivotallymounted, and having a circular depression therein, of a disk within saiddepression and eccentrically pivoted, pivoted levers having means foroperating them, a iiexible connection between said le'- vers and disk,and stops carried by the-connection and adapted for alternate engagementby the levers to operate the connection and throw the switch-tongue.

5. In a switch mechanism, the combination with a tongue pivotallymounted, and having an annular depression therein, of a disk with` insaid depression and pivoted eccentrically, a drum fixed centrally tosaid pivot, levers having means for operating them, a flexibleconnection between said levers and drum, iixed to the drum, a'nd stopscarried by the iiexible connection and adapted for alternate.

engagement by the levers to oscillate the drum and throw theswitch-tongue.

G. In a switch mechanism, the combination with a pivotally-mountedtongue of a casing adjacent thereto, slots in the casing, treadlesoperating in said slots, levers connected with the treadles and having acommon stop, an annular depressionV in the under side of theswitch-tongue, a disk. in said depression eccentrically mounted upon andfixed to a pin, a drum fixed to and concentric with said pin, and aflexible connection between said drum and levers and having stopsthereon adapted for alternate engagement of the levers to throw theswitch-tongue.

In testimony that l claim the foregoing as my own I have hereto aflixedmy signature in BARTH.

